bacterium [i bXkt7Qriqm ]    (순위: 8845 - 대학 수준)  
복수 bacteria【i`riq
 박테리아(복수 backteria)
Mean Any of the unicellular prokaryotic microorganisms of the class Schizomycetes, which vary in terms of morphology, oxygen and nutritional requirements, and motility, and may be free-living, saprophytic, or pathogenic in plants or animals.